Finding the Fourth Proportional to 10,782.57, 16,175.36 and 3,761.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,782.57 : 16,175.36 = 3,761.55 : x
2. Step 2: Convert to fraction form
   10,782.57/16,175.36 = 3,761.55/x
3. Step 3: Cross multiply
   10,782.57x = 16,175.36 × 3,761.55
4. Step 4: Simplify right side
   10,782.57x = 60,844,406.60
5. Step 5: Solve for x
   x = 60,844,406.60/10,782.57
6. Step 6: Final answer
   x = 5,642.85